diff options
| author | Andy Walls <awalls@radix.net> | 2009-05-10 22:14:29 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-16 18:21:14 -0300 |
| commit | 5ab740522fbee3a2ef83554b9a9c92692c8c0f74 (patch) | |
| tree | 73b353ad969e281650a53e9ed1c55c4c5a1d3cb7 /drivers/media/video/cx18/cx18-streams.c | |
| parent | 1bc7f51c57c52cfac1a455d8f8ef99703e719e55 (diff) | |
V4L/DVB (11863): cx18: Initial attempt to get sliced VBI working for 625 line systems
Initial changes to get sliced VBI for 625 line system working. This is patch
is untested.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-streams.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 41a1b2618aa..a0800393316 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -371,9 +371,15 @@ static void cx18_vbi_setup(struct cx18_stream *s) * Tell the encoder to capture 21-4+1=18 lines per field, * since we want lines 10 through 21. * + * For 625/50 systems, according to the VIP 2 & BT.656 std: + * The EAV RP code's Field bit toggles on line 1, a few lines + * after the Vertcal Blank bit has already toggled. + * Tell the encoder to capture 23-1+1=23 lines per field, + * since we want lines 6 through 23. + * * FIXME - revisit for 625/50 systems */ - lines = cx->is_60hz ? (21 - 4 + 1) * 2 : 38; + lines = cx->is_60hz ? (21 - 4 + 1) * 2 : (23 - 1 + 1) * 2; } data[0] = s->handle; |